Which are main files to copydor DR backup in Solaris?

Hi all,
Which are main files to copydor DR backup in Solaris?

I have copied bewo files, is there anything else that is needed to be copied any directires as well, Please suggest.
Will following files backup will do the job for building new server exactly like the original one..?

/etc/passwd
/etc/hosts
/etc/sudoers
/etc/system
/etc/services
/etc/group
/etc/shadow
/etc/vfstab
/etc/profile
/etc/default/init
/etc/shells
/etc/dfs/dfstab
/etc/dfs/sharetab
/users/sysmgr/passwd-default

Please advise.

Thanks,
Manali